linux pex 自动装机

1.pxe自动装机
https://blog.51cto.com/13869720/2175436
https://blog.csdn.net/jason_chen1/article/details/82729661
2.步骤

1.# 前期准备
unalias mv
unalias cp

2.# 关闭 firewalld 和 iptables
systemctl stop firewalld.service
systemctl disable firewalld.service
service iptables stop
systemctl disable iptables

3.# 关闭 seliniux
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config